Re: Re: INFO: task hung in chaoskey_disconnect

syzbot
2019-11-15T17:51:29Z

> Quoting syzbot (2019-11-06 04:32:09)
>> Hello,

>> syzbot found the following crash on:

>> HEAD commit: b1aa9d83 usb: raw: add raw-gadget interface
>> git tree: https://github.com/google/kasan.git usb-fuzzer
>> console output: https://syzkaller.appspot.com/x/log.txt?x=16ae2adce00000
>> kernel config:
>> https://syzkaller.appspot.com/x/.config?x=79de80330003b5f7
>> dashboard link:
>> https://syzkaller.appspot.com/bug?extid=f41c4f7c6d8b0b778780
>> compiler: gcc (GCC) 9.0.0 20181231 (experimental)
>> syz repro:
>> https://syzkaller.appspot.com/x/repro.syz?x=10248158e00000
>> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=16afbf7ce00000

>> IMPORTANT: if you fix the bug, please add the following tag to the
>> commit:
>> Reported-by: syzbot+f41c4f7c6d8b0b778780@syzkaller.appspotmail.com

> I suspect this is because of the kthread getting stuck problem reported
> by Maciej. Maybe try the commit that Herbert picked up.

> #syz test:
> git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6.git linus

Bugs found by USB fuzzer can only be tested on
https://github.com/google/kasan.git tree,
usb-fuzzer branch because USB fuzzer is not upstreamed yet.
See https://goo.gl/tpsmEJ#usb-fuzzer for details.